OrangeFS – open-source parallel file system

OrangeFS (previously PVFS) is an open-source, multi-server scalable parallel file system targeted at production parallel computation environments.

It’s designed specifically to scale to very large numbers of clients and servers. The architecture is very modular, allowing for easy inclusion of new hardware support and new algorithms.

OrangeFS is now part of the Linux kernel as of version 4.6. As this version of the kernel becomes widely available, it will simplify the use of parallel storage by Linux applications through OrangeFS.

Features include:

  • Client-server architecture.
  • Excellent scalability and capacity.
  • Majority of OrangeFS is POSIX-compliant C code that runs in user space.
  • Handle objects, called dataspaces, that can have both byte-stream and key-value components.
  • Provides a unified namespace, so that all files are accessible from a single mount point.
  • Unique object-based file data transfer, allowing clients to work on objects without the need to handle underlying storage details, such as data blocks
  • Ability to have unified data/metadata servers.
  • Distribution of metadata across storage servers.
  • Distribution of directory entry metadata.
  • Diverse client access methods including Posix, MPI, Linux VFS, FUSE, Windows, WebDAV, S3, Hadoop and REST interfaces.
  • Ability to configure storage parameters by directory or file, including stripe size, number of servers, and immutable file replication.
  • Virtualized storage over any Linux file system as underlying local storage on each connected server.
  • Replacement of Hadoop DFS using MapReduce extension and JNI – no modification of MapReduce code is needed.
  • Works across heterogeneous architectures.
  • Fault-tolerance.
  • Provide ways to swap in new redundancy, availability, and stability techniques.

Support: Documentation, FAQ
Developer: Omnibond, Clemson University, Argonne National Laboratory and Community Members
License: GNU Lesser General Public License

OrangeFS is written in C. Learn C with our recommended free books and free tutorials.

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